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  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x600
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    RenderBody {BODY} at (8,8) size 784x584
      RenderBlock (anonymous) at (0,0) size 784x112
        RenderText {TEXT} at (0,0) size 782x56
          text run at (0,0) width 782: "Test inserting paragraphs: should see \"foo\", then an empty blue box, then a blue "
          text run at (0,28) width 410: "box with with \"bar\" in it. Fix for this bug: "
        RenderInline {A} at (0,0) size 260x28 [color=#0000EE]
          RenderText {TEXT} at (410,28) size 260x28
            text run at (410,28) width 260: "<rdar://problem/3924579>"
        RenderText {TEXT} at (670,28) size 769x84
          text run at (670,28) width 6: " "
          text run at (0,56) width 769: "REGRESSION (Mail): After deleting, hitting return key does not insert visible "
          text run at (0,84) width 77: "newline"
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      RenderBlock (anonymous) at (0,148) size 784x28
        RenderInline {SPAN} at (0,0) size 32x28
          RenderText {TEXT} at (0,0) size 32x28
            text run at (0,0) width 32: "foo"
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        RenderBR {BR} at (14,14) size 0x28
      RenderBlock {DIV} at (0,232) size 784x56 [border: (2px solid #0000FF)]
        RenderText {TEXT} at (14,14) size 31x28
          text run at (14,14) width 31: "bar"
selection is CARET:
start:      position 0 of child 1 {TEXT} of child 8 {DIV} of root {BODY}
upstream:   position 0 of child 8 {DIV} of root {BODY}
downstream: position 0 of child 1 {TEXT} of child 8 {DIV} of root {BODY}